//package me.zhengjie.service.impl;
//
//import cn.hutool.core.util.ObjectUtil;
//import me.zhengjie.domain.LocalStorage;
//import me.zhengjie.service.dto.LocalStorageDto;
//import me.zhengjie.service.dto.LocalStorageQueryCriteria;
//import me.zhengjie.service.mapper.LocalStorageMapper;
//import me.zhengjie.exception.BadRequestException;
//import me.zhengjie.repository.LocalStorageRepository;
//import me.zhengjie.service.LocalStorageService;
//import me.zhengjie.utils.FileUtil;
//import me.zhengjie.utils.PageUtil;
//import me.zhengjie.utils.QueryHelp;
//import me.zhengjie.utils.SecurityUtils;
//import me.zhengjie.utils.StringUtils;
//import me.zhengjie.utils.ValidationUtil;
//import org.springframework.beans.factory.annotation.Value;
//import org.springframework.cache.annotation.CacheConfig;
//import org.springframework.cache.annotation.CacheEvict;
//import org.springframework.cache.annotation.Cacheable;
//import org.springframework.stereotype.Service;
//import org.springframework.transaction.annotation.Propagation;
//import org.springframework.transaction.annotation.Transactional;
//import java.io.File;
//import java.io.IOException;
//import java.util.ArrayList;
//import java.util.LinkedHashMap;
//import java.util.List;
//import java.util.Map;
//
//import org.springframework.data.domain.Page;
//import org.springframework.data.domain.Pageable;
//import org.springframework.web.multipart.MultipartFile;
//
//import javax.servlet.http.HttpServletResponse;
//
///**
//* @author Zheng Jie
//* @date 2019-09-05
//*/
//@Service
//@CacheConfig(cacheNames = "localStorage")
//@Transactional(propagation = Propagation.SUPPORTS, readOnly = true, rollbackFor = Exception.class)
//public class LocalStorageServiceImpl implements LocalStorageService {
//
//    private final LocalStorageRepository localStorageRepository;
//
//    private final LocalStorageMapper localStorageMapper;
//
//    @Value("${file.path}")
//    private String path;
//
//    @Value("${file.maxSize}")
//    private long maxSize;
//
//    public LocalStorageServiceImpl(LocalStorageRepository localStorageRepository, LocalStorageMapper localStorageMapper) {
//        this.localStorageRepository = localStorageRepository;
//        this.localStorageMapper = localStorageMapper;
//    }
//
//    @Override
//    @Cacheable
//    public Object queryAll(LocalStorageQueryCriteria criteria, Pageable pageable){
//        Page<LocalStorage> page = localStorageRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder),pageable);
//        return PageUtil.toPage(page.map(localStorageMapper::toDto));
//    }
//
//    @Override
//    @Cacheable
//    public List<LocalStorageDto> queryAll(LocalStorageQueryCriteria criteria){
//        return localStorageMapper.toDto(localStorageRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder)));
//    }
//
//    @Override
//    @Cacheable(key = "#p0")
//    public LocalStorageDto findById(Long id){
//        LocalStorage localStorage = localStorageRepository.findById(id).orElseGet(LocalStorage::new);
//        ValidationUtil.isNull(localStorage.getId(),"LocalStorage","id",id);
//        return localStorageMapper.toDto(localStorage);
//    }
//
//    @Override
//    @CacheEvict(allEntries = true)
//    @Transactional(rollbackFor = Exception.class)
//    public LocalStorageDto create(String name, MultipartFile multipartFile) {
//        FileUtil.checkSize(maxSize, multipartFile.getSize());
//        String suffix = FileUtil.getExtensionName(multipartFile.getOriginalFilename());
//        String type = FileUtil.getFileType(suffix);
//        File file = FileUtil.upload(multipartFile, path + type +  File.separator);
//        if(ObjectUtil.isNull(file)){
//            throw new BadRequestException("上传失败");
//        }
//        try {
//            name = StringUtils.isBlank(name) ? FileUtil.getFileNameNoEx(multipartFile.getOriginalFilename()) : name;
//            LocalStorage localStorage = new LocalStorage(
//                    file.getName(),
//                    name,
//                    suffix,
//                    file.getPath(),
//                    type,
//                    FileUtil.getSize(multipartFile.getSize()),
//                    SecurityUtils.getUsername()
//            );
//            return localStorageMapper.toDto(localStorageRepository.save(localStorage));
//        }catch (Exception e){
//            FileUtil.del(file);
//            throw e;
//        }
//    }
//
//    @Override
//    @CacheEvict(allEntries = true)
//    @Transactional(rollbackFor = Exception.class)
//    public void update(LocalStorage resources) {
//        LocalStorage localStorage = localStorageRepository.findById(resources.getId()).orElseGet(LocalStorage::new);
//        ValidationUtil.isNull( localStorage.getId(),"LocalStorage","id",resources.getId());
//        localStorage.copy(resources);
//        localStorageRepository.save(localStorage);
//    }
//
//    @Override
//    @CacheEvict(allEntries = true)
//    @Transactional(rollbackFor = Exception.class)
//    public void deleteAll(Long[] ids) {
//        for (Long id : ids) {
//            LocalStorage storage = localStorageRepository.findById(id).orElseGet(LocalStorage::new);
//            FileUtil.del(storage.getPath());
//            localStorageRepository.delete(storage);
//        }
//    }
//
//    @Override
//    public void download(List<LocalStorageDto> queryAll, HttpServletResponse response) throws IOException {
//        List<Map<String, Object>> list = new ArrayList<>();
//        for (LocalStorageDto localStorageDTO : queryAll) {
//            Map<String,Object> map = new LinkedHashMap<>();
//            map.put("文件名", localStorageDTO.getRealName());
//            map.put("备注名", localStorageDTO.getName());
//            map.put("文件类型", localStorageDTO.getType());
//            map.put("文件大小", localStorageDTO.getSize());
//            map.put("操作人", localStorageDTO.getOperate());
//            map.put("创建日期", localStorageDTO.getCreateTime());
//            list.add(map);
//        }
//        FileUtil.downloadExcel(list, response);
//    }
//}
